Melissa S Defreest, MD

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

MD41141 Issued in OR

Practice address

600 Country Club Rd Ste 100
Eugene, OR 97401-2240

Phone

(541) 463-2390

Fax

(541) 463-2889

NPI assigned

Aug 18, 2006

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Other identifiers 8

Medicare fee-for-service enrollment

Enrolled in OR

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Emergency Medicine

Education

Oregon Health Sciences University School of Medicine, 2003

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Peacehealth Medical GroupGroup PAC ID 9032023270, 256 clinicians

Oregon Healthcare Resources LLCGroup PAC ID 4486835477, 160 clinicians

Practice addresses (Care Compare)

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mdefreest222370@westdirect.optum.com

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Oregon Healthcare Resources, LLC

  • Multi-Specialty Clinic/Center
  • Eugene, OR
  • NPI 1982907572
  Medicare reassignment Care Compare group NPD
• Peacehealth Medical Group

  • Family Medicine Physician
  • Eugene, OR
  • NPI 1447207287
  Medicare reassignment Care Compare group NPD
• Eugene Emergency Physicians PC

  • Emergency Medicine Physician
  • Eugene, OR
  • NPI 1831133677
  Medicare reassignment NPD
• Peacehealth

  • Critical Access Hospital
  • Cottage Grove, OR
  • NPI 1902892391
  Medicare reassignment NPD
• Peacehealth Medical Group Cottage Grove

  • Multi-Specialty Clinic/Center
  • Creswell, OR
  • NPI 1780631267
  Medicare reassignment NPD
• Salem Health

  • General Acute Care Hospital
  • Salem, OR
  • NPI 1265431829
  Medicare reassignment NPD
• Oregon Healthcare Resources, LLC

  • Urgent Care Clinic/Center
  • Eugene, OR
  • NPI 1215761002
  NPD
• Peacehealth Medical Group

  • Birthing Clinic/Center
  • Springfield, OR
  • NPI 1881860856
  NPD
• Salem Health

  • Durable Medical Equipment & Medical Supplies
  • Keizer, OR
  • NPI 1487434775
  NPD

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1155859200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778112000000",
    "number": "1407960388",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 35380",
            "city": "LAS VEGAS",
            "state": "NV",
            "postal_code": "891335380"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "600 COUNTRY CLUB RD STE 100",
            "city": "EUGENE",
            "state": "OR",
            "postal_code": "974012240",
            "telephone_number": "541-463-2390",
            "fax_number": "541-463-2889"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3299 Hilyard St",
            "address_purpose": "LOCATION",
            "city": "Eugene",
            "state": "OR",
            "postal_code": "974053721",
            "country_code": "US",
            "telephone_number": "541-222-8620",
            "fax_number": "541-222-8652",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "35859 Highway 58",
            "address_purpose": "LOCATION",
            "city": "Pleasant Hill",
            "state": "OR",
            "postal_code": "974559651",
            "country_code": "US",
            "telephone_number": "541-767-5200",
            "fax_number": "541-937-1370",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2830 Crescent Ave",
            "address_purpose": "LOCATION",
            "city": "Eugene",
            "state": "OR",
            "postal_code": "974087397",
            "country_code": "US",
            "telephone_number": "541-686-9000",
            "fax_number": "541-242-4585",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1255 Hilyard St",
            "address_purpose": "LOCATION",
            "city": "Eugene",
            "state": "OR",
            "postal_code": "974013718",
            "country_code": "US",
            "telephone_number": "503-686-7300",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1515 Village Dr Ste 120",
            "address_purpose": "LOCATION",
            "city": "Cottage Grove",
            "state": "OR",
            "postal_code": "974249700",
            "country_code": "US",
            "telephone_number": "541-767-5200",
            "fax_number": "541-767-5292",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2846 Willamette St",
            "address_purpose": "LOCATION",
            "city": "Eugene",
            "state": "OR",
            "postal_code": "974058200",
            "country_code": "US",
            "telephone_number": "541-222-8700",
            "fax_number": "541-222-8701",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1200 Hilyard St Ste 110",
            "address_purpose": "LOCATION",
            "city": "Eugene",
            "state": "OR",
            "postal_code": "974018112",
            "country_code": "US",
            "telephone_number": "458-205-6011",
            "fax_number": "541-302-4733",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DEFREEST",
        "first_name": "MELISSA",
        "middle_name": "S",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-08-18",
        "last_updated": "2026-05-07",
        "certification_date": "2026-05-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "OR",
            "license": "MD41141",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "PROVIDENCE",
            "identifier": "I62501",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "WASHINGTON L&I",
            "identifier": "215628",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "GROUP HEALTH",
            "identifier": "I62501",
            "state": null
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "XPY206324",
            "state": "CA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS",
            "identifier": "057221021",
            "state": null
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "278470",
            "state": "OR"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "LIPA",
            "identifier": "I62501",
            "state": null
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "8465049",
            "state": "WA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Margaret Decordre
• Christine Leana Decroos
• Kisten Dede, P.T.
• Karyn Elizabeth Defoe, LPC
• Jenna Deford, NBC-HWC
• Allison A Defriez
• Sara Degler, PA-C
• George Green Degner, M.D.
• Mary A Degroot, LMT
• John Deguire, MD

• Emergency Medicine Physician in Eugene, OR
• Providers in Eugene, OR by specialty
• Emergency Medicine Physician in Oregon

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 7, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.